Home / 76,272.75-105,256.40-44,447.81

Finding the Fourth Proportional to 76,272.75, 105,256.40 and 44,447.81

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Solution

The fourth proportional to 76,272.75, 105,256.40 and 44,447.81 is: 61,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,272.75 : 105,256.40 = 44,447.81 : x
  2. Step 2: Convert to fraction form
    76,272.75/105,256.40 = 44,447.81/x
  3. Step 3: Cross multiply
    76,272.75x = 105,256.40 × 44,447.81
  4. Step 4: Simplify right side
    76,272.75x = 4,678,415,719.96
  5. Step 5: Solve for x
    x = 4,678,415,719.96/76,272.75
  6. Step 6: Final answer
    x = 61,337.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.